46218331 has 2 divisors, whose sum is σ = 46218332. Its totient is φ = 46218330.

The previous prime is 46218313. The next prime is 46218349. The reversal of 46218331 is 13381264.

46218331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (46218313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (46218313) and next prime (46218349).

It is a cyclic number.

It is not a de Polignac number, because 46218331 - 2¹¹ = 46216283 is a prime.

It is a super-2 number, since 2×46218331² = 4272268240851122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 46218331.

It is not a weakly prime, because it can be changed into another prime (46213331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23109165 + 23109166.

It is an arithmetic number, because the mean of its divisors is an integer number (23109166).

Almost surely, 2^46218331 is an apocalyptic number.

46218331 is a deficient number, since it is larger than the sum of its proper divisors (1).

46218331 is an equidigital number, since it uses as much as digits as its factorization.

46218331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

The square root of 46218331 is about 6798.4065044685. The cubic root of 46218331 is about 358.8707697172.

Adding to 46218331 its reverse (13381264), we get a palindrome (59599595).

The spelling of 46218331 in words is "forty-six million, two hundred eighteen thousand, three hundred thirty-one".